Improving Sensitivity of LTH 1550-01 sensor | Electronics › Electronics › Improving Sensitivity of LTH 1550-01 sensor This topic has 0 replies, 1 voice, and was last updated 8 years, 10 months ago by Shoaib Attar. Viewing 1 post (of 1 total) Author Posts April 1, 2014 at 11:45 am #3008 Shoaib AttarParticipant Hello all, I am building obstacle avoider bot. I used LTH 1550-01 consisting of infrared diode- photransistor coupler. how to improve the sensitivity of this LTH 1550-01. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In